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C14181 Copper vs. S38100 Stainless Steel

C14181 copper belongs to the copper alloys classification, while S38100 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
45
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 210
580
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Maximum Temperature: Mechanical, °C 200
970
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1080
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 380
15
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 31
20
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 41
54
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
210
Resilience: Unit (Modulus of Resilience), kJ/m3 69
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.5
21
Strength to Weight: Bending, points 8.8
20
Thermal Diffusivity, mm2/s 110
4.0
Thermal Shock Resistance, points 7.4
13

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
57.9 to 64
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
17.5 to 18.5
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
1.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0020
0